Java tutorial
/* * This file is part of Domodroid. * * Domodroid is Copyright (C) 2011 Pierre LAINE, Maxime CHOFARDET * * Domodroid is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * Domodroid is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * Domodroid. If not, see <http://www.gnu.org/licenses/>. */ package widgets; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Vector; import android.content.Context; import activities.Gradients_Manager; import activities.Graphics_Manager; import org.domogik.domodroid13.*; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import rinor.Rest_com; import database.DmdContentProvider; import database.JSONParser; import database.WidgetUpdate; import android.annotation.SuppressLint; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.SharedPreferences; import android.graphics.Color; import android.graphics.Typeface; import android.os.AsyncTask; import android.os.Handler; import android.os.Message; import misc.List_Icon_Adapter; import misc.tracerengine; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.view.View.OnClickListener; import android.view.View.OnLongClickListener; import android.view.ViewGroup; import android.view.ViewParent; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.widget.AdapterView; import android.widget.Button; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; import android.widget.FrameLayout.LayoutParams; public class Graphical_List extends Basic_Graphical_widget implements OnClickListener { private LinearLayout featurePan2; private TextView value; private int dev_id; private int id; private Handler handler; private String state_key; private TextView state_key_view; private int update; private Animation animation; private final Context context; private Message msg; private String wname; private static String mytag = "Graphical_List"; private String url = null; public static FrameLayout container = null; public static FrameLayout myself = null; public Boolean with_list = true; private tracerengine Tracer = null; private String parameters; private Entity_client session = null; private Boolean realtime = false; private int session_type; private String[] known_values; private ArrayList<HashMap<String, String>> listItem; private Vector<String> list_usable_choices; private ListView listeChoices; private TextView cmd_to_send = null; private String cmd_requested = null; private String address; private String type; private String packageName; private String place_type; private int place_id; private String login; private String password; private SharedPreferences params; private String usage; @SuppressLint("HandlerLeak") public Graphical_List(tracerengine Trac, Activity context, int id, int dev_id, String name, String type, String address, final String state_key, String url, final String usage, int period, int update, int widgetSize, int session_type, final String parameters, String model_id, int place_id, String place_type, SharedPreferences params) { super(context, Trac, id, name, "", usage, widgetSize, session_type, place_id, place_type, mytag, container); this.Tracer = Trac; this.context = context; this.dev_id = dev_id; this.id = id; this.usage = usage; this.address = address; //this.type = type; this.state_key = state_key; this.update = update; this.wname = name; this.url = url; String[] model = model_id.split("\\."); this.type = model[0]; this.place_id = place_id; this.place_type = place_type; this.params = params; packageName = context.getPackageName(); this.myself = this; this.session_type = session_type; this.parameters = parameters; setOnLongClickListener(this); setOnClickListener(this); mytag = "Graphical_List (" + dev_id + ")"; login = params.getString("http_auth_username", null); password = params.getString("http_auth_password", null); //state key state_key_view = new TextView(context); state_key_view.setText(state_key); state_key_view.setTextColor(Color.parseColor("#333333")); //value value = new TextView(context); value.setTextSize(28); value.setTextColor(Color.BLACK); animation = new AlphaAnimation(0.0f, 1.0f); animation.setDuration(1000); if (with_list) { //Exploit parameters JSONObject jparam = null; String command; JSONArray commandValues = null; try { jparam = new JSONObject(parameters.replaceAll(""", "\"")); command = jparam.getString("command"); commandValues = jparam.getJSONArray("commandValues"); Tracer.e(mytag, "Json command :" + commandValues); } catch (Exception e) { command = ""; commandValues = null; Tracer.e(mytag, "Json command error " + e.toString()); } if (commandValues != null) { if (commandValues.length() > 0) { if (known_values != null) known_values = null; known_values = new String[commandValues.length()]; for (int i = 0; i < commandValues.length(); i++) { try { known_values[i] = commandValues.getString(i); } catch (Exception e) { known_values[i] = "???"; } } } } //list of choices listeChoices = new ListView(context); listItem = new ArrayList<HashMap<String, String>>(); list_usable_choices = new Vector<String>(); for (int i = 0; i < known_values.length; i++) { list_usable_choices.add(getStringResourceByName(known_values[i])); HashMap<String, String> map = new HashMap<String, String>(); map.put("choice", getStringResourceByName(known_values[i])); map.put("cmd_to_send", known_values[i]); listItem.add(map); } SimpleAdapter adapter_map = new SimpleAdapter(getContext(), listItem, R.layout.item_choice, new String[] { "choice", "cmd_to_send" }, new int[] { R.id.choice, R.id.cmd_to_send }); listeChoices.setAdapter(adapter_map); listeChoices.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if ((position < listItem.size()) && (position > -1)) { //process selected command HashMap<String, String> map = new HashMap<String, String>(); map = listItem.get(position); cmd_requested = map.get("cmd_to_send"); Tracer.d(mytag, "command selected at Position = " + position + " Commande = " + cmd_requested); new CommandeThread().execute(); } } }); listeChoices.setScrollingCacheEnabled(false); //feature panel 2 which will contain list of selectable choices featurePan2 = new LinearLayout(context); featurePan2.setLayoutParams( new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); featurePan2.setGravity(Gravity.CENTER_VERTICAL); featurePan2.setPadding(5, 10, 5, 10); featurePan2.addView(listeChoices); } LL_featurePan.addView(value); handler = new Handler() { @Override public void handleMessage(Message msg) { if (msg.what == 2) { Toast.makeText(getContext(), "Command Failed", Toast.LENGTH_SHORT).show(); } else if (msg.what == 9999) { //Message from cache engine //state_engine send us a signal to notify value changed if (session == null) return; String loc_Value = session.getValue(); Tracer.d(mytag, "Handler receives a new value <" + loc_Value + ">"); value.setText(getStringResourceByName(loc_Value)); //To have the icon colored as it has no state IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 2)); } else if (msg.what == 9998) { // state_engine send us a signal to notify it'll die ! Tracer.d(mytag, "cache engine disappeared ===> Harakiri !"); session = null; realtime = false; removeView(LL_background); myself.setVisibility(GONE); if (container != null) { container.removeView(myself); container.recomputeViewAttributes(myself); } try { finalize(); } catch (Throwable t) { } //kill the handler thread itself } } }; //End of handler //================================================================================ /* * New mechanism to be notified by widgetupdate engine when our value is changed * */ WidgetUpdate cache_engine = WidgetUpdate.getInstance(); if (cache_engine != null) { session = new Entity_client(dev_id, state_key, mytag, handler, session_type); if (tracerengine.get_engine().subscribe(session)) { realtime = true; //we're connected to engine //each time our value change, the engine will call handler handler.sendEmptyMessage(9999); //Force to consider current value in session } } //================================================================================ //updateTimer(); //Don't use anymore cyclic refresh.... } public class CommandeThread extends AsyncTask<Void, Integer, Void> { @Override protected Void doInBackground(Void... params) { if (cmd_requested != null) { String Url2send = url + "command/" + type + "/" + address + "/" + cmd_requested; Tracer.i(mytag, "Sending to Rinor : <" + Url2send + ">"); JSONObject json_Ack = null; try { json_Ack = Rest_com.connect(Url2send, login, password); } catch (Exception e) { Tracer.e(mytag, "Rinor exception sending command <" + e.getMessage() + ">"); } try { Boolean ack = JSONParser.Ack(json_Ack); if (ack == false) { Tracer.i(mytag, "Received error from Rinor : <" + json_Ack.toString() + ">"); handler.sendEmptyMessage(2); } } catch (Exception e) { e.printStackTrace(); } } return null; } } private String getStringResourceByName(String stringName) { String packageName = context.getPackageName(); String search = stringName.toLowerCase(); int resId = 0; resId = getResources().getIdentifier(search, "string", packageName); String result = ""; try { result = context.getString(resId); } catch (Exception e) { result = stringName; } return result; } @Override protected void onWindowVisibilityChanged(int visibility) { if (visibility == 0) { } } public static float Round(float Rval, int Rpl) { float p = (float) Math.pow(10, Rpl); Rval = Rval * p; float tmp = Math.round(Rval); return (float) tmp / p; } public void onClick(View v) { if (with_list) { //Done correct 350px because it's the source of http://tracker.domogik.org/issues/1804 float size = 262.5f * context.getResources().getDisplayMetrics().density + 0.5f; int sizeint = (int) size; if (LL_background.getHeight() != sizeint) { Tracer.d(mytag, "on click"); try { LL_background.removeView(featurePan2); Tracer.d(mytag, "removeView(featurePan2)"); } catch (Exception e) { } LL_background.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, sizeint)); Tracer.d(mytag, "addView(featurePan2)"); LL_background.addView(featurePan2); } else { LL_background.removeView(featurePan2); LL_background .setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); } } return; } }